jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/classpath/JSFLibraryContainerWizardPage.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 Oracle Corporation.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *    Gerry Kessler - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jst.jsf.ui.internal.classpath;

 import java.util.ArrayList;
 import java.util.Iterator;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.ui.wizards.IClasspathContainerPage;
 import org.eclipse.jdt.ui.wizards.IClasspathContainerPageExtension;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.CheckStateChangedEvent;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.DoubleClickEvent;
 import org.eclipse.jface.viewers.ICheckStateListener;
 import org.eclipse.jface.viewers.IDoubleClickListener;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ILabelProviderListener;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
 import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
 import org.eclipse.jst.jsf.ui.internal.JSFUiPlugin;
 import org.eclipse.jst.jsf.ui.internal.Messages;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchWizard;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.common.project.facet.core.IFacetedProject;
 import org.eclipse.wst.common.project.facet.core.IProjectFacet;
 import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
 import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
 import org.eclipse.wst.common.project.facet.core.internal.FacetedProjectNature;

 /**
  * Provides a classpath container wizard page for JSF Libraries.
  *
  * @author Gerry Kessler - Oracle
  */
 public class JSFLibraryContainerWizardPage extends WizardPage implements
 		IClasspathContainerPage, IClasspathContainerPageExtension{

 	private TableViewer lv;
 	private JSFLibrariesTableViewerAdapter lvAdapter;
 	private JSFLibrariesListLabelProvider lvLabelProvider;
 	private ArrayList elements;
 	private boolean isJSFProject = false;

 	public JSFLibraryContainerWizardPage(){
         super(Messages.JSFLibraryContainerWizardPage_PageName);
         setTitle(Messages.JSFLibraryContainerWizardPage_Title);
         setDescription(Messages.JSFLibraryContainerWizardPage_Description);
         // TODO: Replace with a custom image.
         setImageDescriptor( JSFUiPlugin.getImageDescriptor("full/wizban/addlibrary_wiz.gif")); //$NON-NLS-1$
 	}

 	public void initialize(IJavaProject project, IClasspathEntry[] currentEntries) {
 		isJSFProject = false;
 		try {
 			//check for faceted nature
 			//NOTE: use of following constant produces warnings; this was known
 			//but at time of writing no public API was available
 			if (project.getProject().hasNature(FacetedProjectNature.NATURE_ID)){
 				//check for jsf facet
 				IFacetedProject fproj = ProjectFacetsManager.create(project.getProject());
 				Iterator it = fproj.getProjectFacets().iterator();
 				while (it.hasNext()){
 					IProjectFacetVersion facetVersion = (IProjectFacetVersion)it.next();
 					IProjectFacet facet = facetVersion.getProjectFacet();
 					if (facet.getId().equals(JSFCorePlugin.FACET_ID)){
 						isJSFProject = true;
 						return;
 					}
 				}
 			}
 		} catch (CoreException e) {
 			JSFUiPlugin.log(
 					IStatus.ERROR,
 					Messages.JSFLibraryContainerWizardPage_ErrorInitializing,
 					e);
 		}
 	}

 	public boolean finish() {
 		// TODO Create lib containers and verify single implementation selected
 		return true;
 	}

 	public boolean isPageComplete() {
 		if (!isJSFProject) {
 			return false;
 		}
 		return isValid();
 	}

 	private boolean isValid() {
 		return false;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.ui.wizards.IClasspathContainerPage#getSelection()
 	 */
 	public IClasspathEntry getSelection() {
 	    // TODO: dead code?
         //		if (lv.getSelection()!= null){
 //		}
 		return null;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.ui.wizards.IClasspathContainerPage#setSelection(org.eclipse.jdt.core.IClasspathEntry)
 	 */
 	public void setSelection(IClasspathEntry containerEntry) {
         // getSelection always returns null
 	}

 	public void createControl(Composite parent) {
 		//Build UI to display JSF Lib components from registry
 		Composite c = new Composite(parent, SWT.NONE);
 		c.setLayout(new GridLayout(2, false));
 		c.setLayoutData(new GridData(GridData.FILL_BOTH));

 		//disable wizard if this is not a valid JSF project
 		if (!isJSFProject){
 			Label warning = new Label(c , SWT.NONE);
 			warning.setText(Messages.JSFLibraryContainerWizardPage_WarningNoJSFFacet);
 			setControl(c);
 			return;
 		}

 		Label lblViewer = new Label(c, SWT.NONE);
 		lblViewer.setText(Messages.JSFLibraryContainerWizardPage_JSFLibraries);
 		GridData gd1 = new GridData(GridData.BEGINNING);
 		gd1.horizontalSpan = 2;
 		lblViewer.setLayoutData(gd1);

 		lv = createTableViewer(c);
 		lv.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));

 		lvAdapter = new JSFLibrariesTableViewerAdapter();
 		lvLabelProvider = new JSFLibrariesListLabelProvider();
 		lv.setContentProvider(lvAdapter);
 		lv.setLabelProvider(lvLabelProvider);
 		lv.addSelectionChangedListener(lvAdapter);
 		lv.addDoubleClickListener(lvAdapter);

 		lv.setInput(getJSFLibraries());

 //		Composite btnBar = new Composite(c, SWT.NONE);
 //		GridLayout gl = new GridLayout(1, false);
 //		gl.marginHeight = 0;
 //		gl.marginWidth = 0;

 		Button addButton = new Button(c, SWT.NONE);
 		addButton.setText(Messages.JSFLibraryContainerWizardPage_Add);
 		addButton.setLayoutData(new GridData(GridData.END | GridData.VERTICAL_ALIGN_BEGINNING));
 		addButton.addSelectionListener(new SelectionAdapter(){
 			public void widgetSelected(SelectionEvent e){
 				openJSFLibraryWizard(null);
 			}
 		});

 		setControl(c);
 	}

 	private void openJSFLibraryWizard(Object element){
 		IWorkbenchWizard wizard = new JSFLibraryWizard();
 		IWorkbench wb = PlatformUI.getWorkbench();
 		wizard.init(wb, getStructuredElement(element));
 		WizardDialog dialog = new WizardDialog(wb.getActiveWorkbenchWindow().getShell(), wizard);
 		int ret = dialog.open();
 		if (ret == Window.OK){
 			//FIXME: select returned object
 			lv.refresh();
 		}
 	}

 	private IStructuredSelection getStructuredElement(Object element) {
 		if (element != null  && element instanceof IStructuredSelection){
 			//FIXME:
 //			IStructuredSelection firstelement = (IStructuredSelection)((IStructuredSelection)element).getFirstElement();
 //			return new StructuredSelection(firstelement);
 		}
 		return null;
 	}

 	private TableViewer createTableViewer(Composite parent) {
 		Table table= new Table(parent, SWT.CHECK | SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
 		table.setFont(parent.getFont());
 		CheckboxTableViewer tableViewer= new CheckboxTableViewer(table);
 		tableViewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent e) {
 				validate();
 			}
 		});
 		return tableViewer;
 	}

 	private Object getJSFLibraries() {
 		elements = new ArrayList(10);
 		elements.addAll(JSFCorePlugin.getDefault().getJSFLibraryRegistry().getAllJSFLibraries());
 		return elements;
 	}

 	private class JSFLibrariesTableViewerAdapter implements IStructuredContentProvider, ISelectionChangedListener, IDoubleClickListener {
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 			//should never happen
 		}

 		/* (non-Javadoc)
 		 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
 		 */
 		public void dispose() {
             // do nothing
 		}

 		/* (non-Javadoc)
 		 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
 		 */
 		public Object[] getElements(Object inputElement) {
 			return elements.toArray();
 		}

 		/* (non-Javadoc)
 		 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 		 */
 		public void selectionChanged(SelectionChangedEvent event) {
 			doListSelected(event);
 		}

 		/* (non-Javadoc)
 		 * @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
 		 */
 		public void doubleClick(DoubleClickEvent event) {
 			doDoubleClick(event);
 		}
 	}

 	private class JSFLibrariesListLabelProvider implements ILabelProvider{
 		Image libImg;
 		public Image getImage(Object element) {
 			if (libImg == null){
 				ImageDescriptor libImgDesc = JSFUiPlugin.getImageDescriptor("obj16/library_obj.gif"); //$NON-NLS-1$
 				libImg = libImgDesc.createImage();
 			}
 			return libImg;
 		}

 		public String getText(Object element) {
 			if (element instanceof JSFLibrary) {
 				JSFLibrary lib = (JSFLibrary)element;
 				if (lib.isImplementation()) {
 					return lib.getName() + " [implementation]"; //$NON-NLS-1$
 				}
                 return lib.getName();
 			}
 			return null;
 		}

 		public void dispose() {
 			if (libImg != null)
 				libImg.dispose();
 		}

 		public void addListener(ILabelProviderListener listener) {
             // no listener support
 		}

 		public boolean isLabelProperty(Object element, String property) {
 			return false;
 		}

 		public void removeListener(ILabelProviderListener listener) {
             // no listener support
 		}
 	}

 	private void validate() {
         // TODO: what's this for? seems dead
 	}

 	private void doListSelected(SelectionChangedEvent event) {
         // what's this for? seems dead.
 	}

 	private void doDoubleClick(DoubleClickEvent event) {
 		openJSFLibraryWizard(lv.getSelection());
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2005 Oracle Corporation.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Gerry Kessler - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jst.jsf.ui.internal.classpath;

	import java.util.ArrayList;
	import java.util.Iterator;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.ui.wizards.IClasspathContainerPage;
	import org.eclipse.jdt.ui.wizards.IClasspathContainerPageExtension;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.CheckStateChangedEvent;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.DoubleClickEvent;
	import org.eclipse.jface.viewers.ICheckStateListener;
	import org.eclipse.jface.viewers.IDoubleClickListener;
	import org.eclipse.jface.viewers.ILabelProvider;
	import org.eclipse.jface.viewers.ILabelProviderListener;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
	import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
	import org.eclipse.jst.jsf.ui.internal.JSFUiPlugin;
	import org.eclipse.jst.jsf.ui.internal.Messages;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchWizard;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.common.project.facet.core.IFacetedProject;
	import org.eclipse.wst.common.project.facet.core.IProjectFacet;
	import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
	import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
	import org.eclipse.wst.common.project.facet.core.internal.FacetedProjectNature;

	/**
	* Provides a classpath container wizard page for JSF Libraries.
	*
	* @author Gerry Kessler - Oracle
	*/
	public class JSFLibraryContainerWizardPage extends WizardPage implements
	IClasspathContainerPage, IClasspathContainerPageExtension{

	private TableViewer lv;
	private JSFLibrariesTableViewerAdapter lvAdapter;
	private JSFLibrariesListLabelProvider lvLabelProvider;
	private ArrayList elements;
	private boolean isJSFProject = false;

	public JSFLibraryContainerWizardPage(){
	super(Messages.JSFLibraryContainerWizardPage_PageName);
	setTitle(Messages.JSFLibraryContainerWizardPage_Title);
	setDescription(Messages.JSFLibraryContainerWizardPage_Description);
	// TODO: Replace with a custom image.
	setImageDescriptor( JSFUiPlugin.getImageDescriptor("full/wizban/addlibrary_wiz.gif")); //$NON-NLS-1$
	}

	public void initialize(IJavaProject project, IClasspathEntry[] currentEntries) {
	isJSFProject = false;
	try {
	//check for faceted nature
	//NOTE: use of following constant produces warnings; this was known
	//but at time of writing no public API was available
	if (project.getProject().hasNature(FacetedProjectNature.NATURE_ID)){
	//check for jsf facet
	IFacetedProject fproj = ProjectFacetsManager.create(project.getProject());
	Iterator it = fproj.getProjectFacets().iterator();
	while (it.hasNext()){
	IProjectFacetVersion facetVersion = (IProjectFacetVersion)it.next();
	IProjectFacet facet = facetVersion.getProjectFacet();
	if (facet.getId().equals(JSFCorePlugin.FACET_ID)){
	isJSFProject = true;
	return;
	}
	}
	}
	} catch (CoreException e) {
	JSFUiPlugin.log(
	IStatus.ERROR,
	Messages.JSFLibraryContainerWizardPage_ErrorInitializing,
	e);
	}
	}

	public boolean finish() {
	// TODO Create lib containers and verify single implementation selected
	return true;
	}

	public boolean isPageComplete() {
	if (!isJSFProject) {
	return false;
	}
	return isValid();
	}

	private boolean isValid() {
	return false;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.ui.wizards.IClasspathContainerPage#getSelection()
	*/
	public IClasspathEntry getSelection() {
	// TODO: dead code?
	// if (lv.getSelection()!= null){
	// }
	return null;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.ui.wizards.IClasspathContainerPage#setSelection(org.eclipse.jdt.core.IClasspathEntry)
	*/
	public void setSelection(IClasspathEntry containerEntry) {
	// getSelection always returns null
	}

	public void createControl(Composite parent) {
	//Build UI to display JSF Lib components from registry
	Composite c = new Composite(parent, SWT.NONE);
	c.setLayout(new GridLayout(2, false));
	c.setLayoutData(new GridData(GridData.FILL_BOTH));

	//disable wizard if this is not a valid JSF project
	if (!isJSFProject){
	Label warning = new Label(c , SWT.NONE);
	warning.setText(Messages.JSFLibraryContainerWizardPage_WarningNoJSFFacet);
	setControl(c);
	return;
	}

	Label lblViewer = new Label(c, SWT.NONE);
	lblViewer.setText(Messages.JSFLibraryContainerWizardPage_JSFLibraries);
	GridData gd1 = new GridData(GridData.BEGINNING);
	gd1.horizontalSpan = 2;
	lblViewer.setLayoutData(gd1);

	lv = createTableViewer(c);
	lv.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));

	lvAdapter = new JSFLibrariesTableViewerAdapter();
	lvLabelProvider = new JSFLibrariesListLabelProvider();
	lv.setContentProvider(lvAdapter);
	lv.setLabelProvider(lvLabelProvider);
	lv.addSelectionChangedListener(lvAdapter);
	lv.addDoubleClickListener(lvAdapter);

	lv.setInput(getJSFLibraries());

	// Composite btnBar = new Composite(c, SWT.NONE);
	// GridLayout gl = new GridLayout(1, false);
	// gl.marginHeight = 0;
	// gl.marginWidth = 0;

	Button addButton = new Button(c, SWT.NONE);
	addButton.setText(Messages.JSFLibraryContainerWizardPage_Add);
	addButton.setLayoutData(new GridData(GridData.END \| GridData.VERTICAL_ALIGN_BEGINNING));
	addButton.addSelectionListener(new SelectionAdapter(){
	public void widgetSelected(SelectionEvent e){
	openJSFLibraryWizard(null);
	}
	});

	setControl(c);
	}

	private void openJSFLibraryWizard(Object element){
	IWorkbenchWizard wizard = new JSFLibraryWizard();
	IWorkbench wb = PlatformUI.getWorkbench();
	wizard.init(wb, getStructuredElement(element));
	WizardDialog dialog = new WizardDialog(wb.getActiveWorkbenchWindow().getShell(), wizard);
	int ret = dialog.open();
	if (ret == Window.OK){
	//FIXME: select returned object
	lv.refresh();
	}
	}

	private IStructuredSelection getStructuredElement(Object element) {
	if (element != null && element instanceof IStructuredSelection){
	//FIXME:
	// IStructuredSelection firstelement = (IStructuredSelection)((IStructuredSelection)element).getFirstElement();
	// return new StructuredSelection(firstelement);
	}
	return null;
	}

	private TableViewer createTableViewer(Composite parent) {
	Table table= new Table(parent, SWT.CHECK \| SWT.BORDER \| SWT.MULTI \| SWT.H_SCROLL \| SWT.V_SCROLL);
	table.setFont(parent.getFont());
	CheckboxTableViewer tableViewer= new CheckboxTableViewer(table);
	tableViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent e) {
	validate();
	}
	});
	return tableViewer;
	}

	private Object getJSFLibraries() {
	elements = new ArrayList(10);
	elements.addAll(JSFCorePlugin.getDefault().getJSFLibraryRegistry().getAllJSFLibraries());
	return elements;
	}

	private class JSFLibrariesTableViewerAdapter implements IStructuredContentProvider, ISelectionChangedListener, IDoubleClickListener {
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	//should never happen
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.viewers.IContentProvider#dispose()
	*/
	public void dispose() {
	// do nothing
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
	*/
	public Object[] getElements(Object inputElement) {
	return elements.toArray();
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
	*/
	public void selectionChanged(SelectionChangedEvent event) {
	doListSelected(event);
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
	*/
	public void doubleClick(DoubleClickEvent event) {
	doDoubleClick(event);
	}
	}

	private class JSFLibrariesListLabelProvider implements ILabelProvider{
	Image libImg;
	public Image getImage(Object element) {
	if (libImg == null){
	ImageDescriptor libImgDesc = JSFUiPlugin.getImageDescriptor("obj16/library_obj.gif"); //$NON-NLS-1$
	libImg = libImgDesc.createImage();
	}
	return libImg;
	}

	public String getText(Object element) {
	if (element instanceof JSFLibrary) {
	JSFLibrary lib = (JSFLibrary)element;
	if (lib.isImplementation()) {
	return lib.getName() + " [implementation]"; //$NON-NLS-1$
	}
	return lib.getName();
	}
	return null;
	}

	public void dispose() {
	if (libImg != null)
	libImg.dispose();
	}

	public void addListener(ILabelProviderListener listener) {
	// no listener support
	}

	public boolean isLabelProperty(Object element, String property) {
	return false;
	}

	public void removeListener(ILabelProviderListener listener) {
	// no listener support
	}
	}

	private void validate() {
	// TODO: what's this for? seems dead
	}

	private void doListSelected(SelectionChangedEvent event) {
	// what's this for? seems dead.
	}

	private void doDoubleClick(DoubleClickEvent event) {
	openJSFLibraryWizard(lv.getSelection());
	}

	}